CA2383488A1 - Device for lumbar support - Google Patents

Device for lumbar support Download PDF

Info

Publication number
CA2383488A1
CA2383488A1 CA002383488A CA2383488A CA2383488A1 CA 2383488 A1 CA2383488 A1 CA 2383488A1 CA 002383488 A CA002383488 A CA 002383488A CA 2383488 A CA2383488 A CA 2383488A CA 2383488 A1 CA2383488 A1 CA 2383488A1
Authority
CA
Canada
Prior art keywords
membrane
seatback frame
cushion
seatback
lumbar support
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002383488A
Other languages
French (fr)
Other versions
CA2383488C (en
Inventor
Harry Fischer
Klaus-Peter Grasse
Manfred Schlegel
Mathias Seiler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sedus Stoll AG
Original Assignee
Sedus Stoll AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sedus Stoll AG filed Critical Sedus Stoll AG
Publication of CA2383488A1 publication Critical patent/CA2383488A1/en
Application granted granted Critical
Publication of CA2383488C publication Critical patent/CA2383488C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/02—Seat parts
    • A47C7/28—Seat parts with tensioned springs, e.g. of flat type
    • A47C7/282—Seat parts with tensioned springs, e.g. of flat type with mesh-like supports, e.g. elastomeric membranes
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/36—Support for the head or the back
    • A47C7/40—Support for the head or the back for the back
    • A47C7/46—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
    • A47C7/462—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs adjustable by mechanical means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Chairs Characterized By Structure (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Paper (AREA)
  • Massaging Devices (AREA)
  • Surgical Instruments (AREA)

Abstract

The invention relates to a device for lumbar support for an office chair having a seatback, which consists of seatback frame with a membrane stretched over it, the device being arranged behind the membrane (2) and housed in the seatback frame (1) independently from the membrane (2). It can be arranged with height adjustment and also be horizontally extendible. Preferably, the device of the present invention consists of a central part having two comparably rigid carrier elements (4), which are connected to each other via an elastic element (5) arranged in the center and which on the outside each have lateral guide frames (6); the guide frames (6) are arranged in the seatback frame (1) with sliding adjustment, a cushion (8) attached to an upholstery plate (9) as a front part arranged facing the membrane (2), and a plastic plate (10) as a rear part, the cushion (8) and the plastic plate (10) being connected via a clip connection (11) and the clip connection (11) being guided in tracks (12) of the carrier elements (4).
CA002383488A 2001-05-01 2002-04-24 Device for lumbar support Expired - Fee Related CA2383488C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10121207A DE10121207A1 (en) 2001-05-01 2001-05-01 Device for lordosis support
DE10121207.0 2001-05-01
US10/137,335 US6575530B1 (en) 2001-05-01 2002-05-03 Device for lumbar support

Publications (2)

Publication Number Publication Date
CA2383488A1 true CA2383488A1 (en) 2002-11-01
CA2383488C CA2383488C (en) 2009-02-03

Family

ID=27758382

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002383488A Expired - Fee Related CA2383488C (en) 2001-05-01 2002-04-24 Device for lumbar support

Country Status (7)

Country Link
US (1) US6575530B1 (en)
EP (1) EP1254616B1 (en)
AT (1) ATE297149T1 (en)
CA (1) CA2383488C (en)
DE (2) DE10121207A1 (en)
ES (1) ES2243617T3 (en)
MX (1) MXPA02004338A (en)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7014269B2 (en) * 2001-06-15 2006-03-21 Hon Technology Inc. Chair back construction
US7651163B2 (en) 2002-12-02 2010-01-26 Logicback, Inc. Lumbar support device
US7097247B2 (en) * 2003-06-05 2006-08-29 Steelcase Development Corporation Seating unit with adjustable lumbar device
US6893098B2 (en) 2003-10-07 2005-05-17 Kambiz Kohani Chair mounted back support system
JP4127193B2 (en) 2003-11-13 2008-07-30 コクヨ株式会社 Chair back
TWM269799U (en) * 2005-01-12 2005-07-11 Comfordy Co Ltd Improvement of reticular chairback structure
JP4964427B2 (en) * 2005-03-31 2012-06-27 株式会社岡村製作所 Chair backrest device
DE102006012618A1 (en) 2006-03-20 2007-09-27 Sedus Stoll Ag Lumbar support device
US7585027B2 (en) 2006-04-07 2009-09-08 Schukra Of North America Overmolded thin-profile lumbar support
US7854479B2 (en) * 2007-04-30 2010-12-21 L&P Property Management Company Overmolded lumbar support apparatus and method
US7604298B2 (en) * 2007-06-01 2009-10-20 Steelcase Development Corporation Chair back attachment and method of assembly
US20100078975A1 (en) * 2008-09-30 2010-04-01 Ming-Shiang Kang Structure of a single-part elastic waist support
JP5693837B2 (en) * 2009-10-19 2015-04-01 株式会社岡村製作所 Chair
US8602494B2 (en) * 2010-03-16 2013-12-10 Sava Cvek Pivoting task chair
US8474909B2 (en) 2010-09-21 2013-07-02 La-Z-Boy Incorporated Power lift lumbar support system
US8991922B2 (en) 2011-06-02 2015-03-31 Formway Furniture Limited Lumbar support for a chair
CN104023593B (en) * 2011-11-04 2016-04-27 株式会社冈村制作所 Chair
US9199565B2 (en) 2012-09-13 2015-12-01 Leggett & Platt Canada Co. Lumbar support system
US9193287B2 (en) 2012-09-13 2015-11-24 Leggett & Platt Canada Co. Lumbar support system
US10632882B2 (en) 2012-09-13 2020-04-28 Leggett & Platt Canada Co. Lumbar support system
US9193280B2 (en) 2012-09-13 2015-11-24 Leggett & Platt Canada Co. Lumbar support system
US9661930B2 (en) 2012-09-21 2017-05-30 Steelcase Inc. Chair construction
JP5600151B2 (en) * 2012-09-24 2014-10-01 株式会社岡村製作所 Chair backrest device
DE102012219241B4 (en) * 2012-10-22 2017-11-02 Sedus Stoll Ag Seating furniture component and seating
US9480339B2 (en) 2012-12-31 2016-11-01 Sava Cvek Seat with pelvic support
KR101664651B1 (en) * 2015-01-16 2016-10-10 현대자동차주식회사 Seat for vehicle having improved passenger' neck injury reduction performance
US10463153B2 (en) 2016-06-09 2019-11-05 Steelcase Inc. Seating arrangement
USD845692S1 (en) 2016-06-13 2019-04-16 Herman Miller, Inc. Chair and chair components
USD845050S1 (en) * 2016-06-13 2019-04-09 Herman Miller, Inc. Chair and chair components
DE102017117847A1 (en) * 2017-08-07 2019-02-07 Faurecia Autositze Gmbh Device and method for adjusting a seat
DE102017117846A1 (en) * 2017-08-07 2019-02-07 Faurecia Autositze Gmbh Device and method for adjusting a seat
US10813463B2 (en) 2017-12-05 2020-10-27 Steelcase Inc. Compliant backrest
USD870479S1 (en) 2017-12-05 2019-12-24 Steelcase Inc. Chair
USD869889S1 (en) 2017-12-05 2019-12-17 Steelcase Inc. Chairback
USD869890S1 (en) 2017-12-05 2019-12-17 Steelcase Inc. Chairback
USD869872S1 (en) 2017-12-05 2019-12-17 Steelcase Inc. Chair
US11291305B2 (en) 2017-12-05 2022-04-05 Steelcase Inc. Compliant backrest
USD878107S1 (en) 2018-08-01 2020-03-17 Letronics, Inc. Combination headrest and lumbar support
US10952535B2 (en) * 2018-11-05 2021-03-23 La-Z-Boy Incorporated Furniture member having lumbar adjustment mechanism
US11324324B2 (en) 2018-11-05 2022-05-10 La-Z-Boy Incorporated Furniture member having lumbar adjustment mechanism
US11672348B2 (en) 2018-11-05 2023-06-13 La-Z-Boy Incorporated Furniture member having lumbar adjustment mechanism
USD907383S1 (en) 2019-05-31 2021-01-12 Steelcase Inc. Chair with upholstered back
USD907935S1 (en) 2019-05-31 2021-01-19 Steelcase Inc. Chair
US11192652B1 (en) * 2020-07-16 2021-12-07 B/E Aerospace, Inc. Passenger seat dress cover with integrated adjustable lumbar support device
CN112120453B (en) * 2020-09-02 2024-07-09 安徽久工健业有限责任公司 Frame structure of massage chair

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2556197A1 (en) * 1983-12-07 1985-06-14 Renault Seat backrest having an adjustable lumbar support
CA2106071A1 (en) * 1991-06-04 1992-12-05 Mark Andrew Lance Adjustable lumbar supports for seats
DE69326241T3 (en) * 1992-06-15 2003-10-30 Miller Herman Inc OFFICE CHAIR
US6220661B1 (en) * 1999-04-19 2001-04-24 Steelcase Development Inc. Chair back and method of assembly
US5871258A (en) * 1997-10-24 1999-02-16 Steelcase Inc. Chair with novel seat construction
DE19856349C2 (en) * 1998-12-07 2003-10-16 Faurecia Autositze Gmbh & Co Seat part or backrest of a motor vehicle seat
DE29918456U1 (en) * 1999-10-20 1999-12-23 Interstuhl Büromöbel GmbH & Co. KG, 72469 Meßstetten Chair, especially work chair
US6354662B1 (en) * 2001-01-04 2002-03-12 Tung-Hua Su Waistrest assembly for a chair

Also Published As

Publication number Publication date
US6575530B1 (en) 2003-06-10
DE10121207A1 (en) 2002-11-07
ES2243617T3 (en) 2005-12-01
DE50203312D1 (en) 2005-07-14
EP1254616B1 (en) 2005-06-08
EP1254616A3 (en) 2004-01-14
ATE297149T1 (en) 2005-06-15
EP1254616A2 (en) 2002-11-06
CA2383488C (en) 2009-02-03
MXPA02004338A (en) 2002-11-14

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed